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Emerald|Lab Grown|IGI

1.64ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG644429116

Shape and cutting style on the report: Emerald cut

Certificate IGI LG644429116

Diamond specifications and retailer prices

From $438 NZD
$247 USD
As of October 30, 2026
Save $5,009 NZD (92%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,447 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.64ct lab-grown emerald diamond

This 1.64ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG644429116 or 644429116. Listed at 25 retailers as of October 29, 2026, with prices from $438 to $5,447, a $5,009 spread on the same certified stone. Brilliant Earth lists it at $5,447. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644429116
Dimensions8.16 × 5.63 × 3.71 mm
L/W Ratio1.45
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.16 mm5.63 mm1.64 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644429116
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 41.2°Culet: LNGDepth 65.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,447 NZD|Low: $431 NZD|High: $5,447 NZD|Avg: $1,697 NZD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 8
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Retailer 24
October 30, 2026
Retailer 8$438 NZD
Retailer 9$490 NZD
Retailer 21$509 NZD
Retailer 3$545 NZD
Retailer 12$545 NZD
Retailer 11$795 NZD
Retailer 2$806 NZD
Retailer 24$997 NZD
Retailer 20$1,032 NZD
Retailer 13$1,054 NZD
Retailer 17$1,144 NZD
Retailer 19$1,398 NZD
Retailer 23$1,618 NZD
Retailer 6$1,757 NZD
Retailer 7$1,932 NZD
Retailer 16$2,158 NZD
Retailer 15$2,229 NZD
Retailer 10$2,290 NZD
Retailer 14$2,353 NZD
Retailer 5$2,383 NZD
Retailer 18$2,420 NZD
Retailer 22$3,983 NZD
Retailer 4$4,223 NZD
Brilliant Earth$5,447 NZD

42 data points across 24 retailers

25 retailers$438 NZD to $5,447 NZD

A
Cheapest Retailer
-
$438 NZD
$247 USD
A
Retailer 2
-
$490 NZD
$276 USD
View
Final sale: no returns
A
Retailer 3
-
$509 NZD
$287 USD
View
A
Retailer 4
-
$545 NZD
$307 USD
View
A
Retailer 5
-
$545 NZD
$307 USD
View
A
Retailer 6
-
$795 NZD
HK$3,500 HKD
View
B+
Retailer 7
-
$806 NZD
$454 USD
View
A
Retailer 8
-
$997 NZD
$562 USD
View
A
Retailer 9
-
$1,032 NZD
ZAR 9,400 ZAR
View
A
Retailer 10
-
$1,054 NZD
£468 GBP
View
A
Retailer 11
-
$1,398 NZD
A$1,212 AUD
View
A
Retailer 12
-
$1,618 NZD
$912 USD
View
B+
Retailer 13
-
$1,757 NZD
$990 USD
View
B+
Retailer 14
-
$1,932 NZD
$1,089 USD
View
B+
Retailer 15
-
$2,158 NZD
$1,216 USD
View
B+
Retailer 16
-
$2,229 NZD
$1,256 USD
View
B+
Retailer 17
-
$2,290 NZD
SGD 1,744 SGD
View
B+
Retailer 18
-
$2,353 NZD
£1,044 GBP
View
B+
Retailer 19
-
$2,383 NZD
$1,343 USD
View
B+
Retailer 20
-
$2,420 NZD
£1,074 GBP
View
Retailer 21
-
$3,983 NZD
$2,245 USD
View
Price last confirmed 12 days ago
Retailer 22
-
$4,181 NZD
$2,357 USD
View
Price last confirmed 102 days ago
B
Retailer 23
-
$4,223 NZD
$2,380 USD
View
B
Retailer 24
-
$5,250 NZD
£2,330 GBP
View
Most Expensive
B
Brilliant Earth
20152002Y · Oct 29
$5,447 NZD
$3,070 USD
View
24 more retailers have this diamond
Prices start from $438 NZDSave up to $5,009 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.64ct Emerald
$438 NZD